pakistan has responded to comments by america's highest rank military officer that it sanctioned the killing of a pakistani journalist in may. pakistani government spokesman said the comments -- extremely irresponsible. in cape canaveral, florida, a space shuttle atlantis' liftoff for the last time, but the weather may have a say. storms threatened to delay a launch. the program is coming to an end. britain's disasters emergency committee is the latest agency to launch an appeal for funds to tackle the food crisis in east africa. hundreds of thousands of people are streaming out of the worst areas of somalia into refugee camps in other parts of the region. 1300 people are seeking help. it has become the biggest camp in the world with a population of 350,000 people. own is there. >> they flock here in the thousands. somali refugees are desperate to escape civil war and now their latest curse, drought. infants are the weakest of the new arrivals. there's not much of them to measure. their tiny bodies are ravaged by malnutrition and dehydration. she is a nurse from switzerland. every da